DescriptionOrganic carbon cycle including the flow of kerogen.png
English: Organic carbon cycle including the flow of kerogen
Organic carbon cycle with the flow of kerogen (black solid lines) and the flow of biospheric carbon (green solid lines) showing both the fixation of atmospheric CO2 by terrestrial and marine primary productivity. The combined flux of reworked kerogen and biospheric carbon into ocean sediments constitutes total organic carbon burial entering the endogenous kerogen pool
Abbreviations
PgC: Petagram of carbon, 1 × E15 g = 1 × E9 × E6 g = 1 Gton of carbon
kyr: 1000 year, as ky or ka
PgC/kyr: Petagram of carbon/1000 year = 1 Gton of carbon/1000 year = 1 Mton of carbon/year
References
Galy V., Peucker-Ehrenbrink B. and Eglinton T. I. (2015) "Global carbon export from the terrestrial biosphere controlled by erosion". Nature, 521: 204–207.
Hedges J. I. and Oades J. M. (1997) "Comparative organic geochemistries of soils and marine sediments". Org. Geochem., 27: 319–361.
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Captions
Organic carbon cycle including the flow of kerogen
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